"Jacob and I are over the moon. We are so excited to meet our little one," Deschanel told People, which first reported the news.

Deschanel, 34, and Pechenik, 42, have reportedly been dating since the summer.

The couple also are collaborating on the upcoming comedy Rock the Kasbah, set for release later this year. Deschanel's starring opposite Bruce Willis, Kate Hudson and Bill Murray, while Pechenik is producing.